diff --git a/plugins/samplesink/limesdroutput/limesdroutputgui.cpp b/plugins/samplesink/limesdroutput/limesdroutputgui.cpp
index d92fe779d..bd14badf7 100644
--- a/plugins/samplesink/limesdroutput/limesdroutputgui.cpp
+++ b/plugins/samplesink/limesdroutput/limesdroutputgui.cpp
@@ -158,6 +158,19 @@ bool LimeSDROutputGUI::handleMessage(const Message& message)
 
         return true;
     }
+    else if (DeviceLimeSDRShared::MsgReportClockSourceChange::match(message))
+    {
+        DeviceLimeSDRShared::MsgReportClockSourceChange& report = (DeviceLimeSDRShared::MsgReportClockSourceChange&) message;
+        m_settings.m_extClockFreq = report.getExtClockFeq();
+        m_settings.m_extClock = report.getExtClock();
+
+        blockApplySettings(true);
+        ui->extClock->setExternalClockFrequency(m_settings.m_extClockFreq);
+        ui->extClock->setExternalClockActive(m_settings.m_extClock);
+        blockApplySettings(false);
+
+        return true;
+    }
     else if (LimeSDROutput::MsgReportStreamInfo::match(message))
     {
         LimeSDROutput::MsgReportStreamInfo& report = (LimeSDROutput::MsgReportStreamInfo&) message;
diff --git a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
index 9ab1268bf..2b95f01ea 100644
--- a/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinputgui.cpp
@@ -140,6 +140,7 @@ bool LimeSDRInputGUI::deserialize(const QByteArray& data)
 
 bool LimeSDRInputGUI::handleMessage(const Message& message)
 {
+
     if (DeviceLimeSDRShared::MsgReportBuddyChange::match(message))
     {
         DeviceLimeSDRShared::MsgReportBuddyChange& report = (DeviceLimeSDRShared::MsgReportBuddyChange&) message;
@@ -156,6 +157,19 @@ bool LimeSDRInputGUI::handleMessage(const Message& message)
 
         return true;
     }
+    else if (DeviceLimeSDRShared::MsgReportClockSourceChange::match(message))
+    {
+        DeviceLimeSDRShared::MsgReportClockSourceChange& report = (DeviceLimeSDRShared::MsgReportClockSourceChange&) message;
+        m_settings.m_extClockFreq = report.getExtClockFeq();
+        m_settings.m_extClock = report.getExtClock();
+
+        blockApplySettings(true);
+        ui->extClock->setExternalClockFrequency(m_settings.m_extClockFreq);
+        ui->extClock->setExternalClockActive(m_settings.m_extClock);
+        blockApplySettings(false);
+
+        return true;
+    }
     else if (LimeSDRInput::MsgReportStreamInfo::match(message))
     {
         LimeSDRInput::MsgReportStreamInfo& report = (LimeSDRInput::MsgReportStreamInfo&) message;